Xext: shm: drop duplicate call to SetReqFd

Not necessary to call it in SProcShmAttachFd(), it's already done
in ProcShmAttach(), which is called by this function anyways.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

Xext/shm.c

@@ -1480,7 +1480,6 @@ static int _X_COLD
 SProcShmAttachFd(ClientPtr client)
 {
     REQUEST(xShmAttachFdReq);
-    SetReqFds(client, 1);
     REQUEST_SIZE_MATCH(xShmAttachFdReq);
     swapl(&stuff->shmseg);
     return ProcShmAttachFd(client);